Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340891 | Continuous polymerization method and apparatus | Tsuyoshi Imamura, Katsumi Mizuguchi, Yasuhiro Shibai, Keizou Ishii, Koichi Saito | 1994-08-23 |
| 5302654 | Production of polymer microparticles having water-insoluble chemicals immobilized therein | Keizo Ishii, Hidetsumu Okada, Masanori Oiwa, Hisaichi Muramoto | 1994-04-12 |
| 5284881 | Composite hollow particles | Katsumi Mizuguchi, Koichi Saito | 1994-02-08 |